What are some alternatives?
When comparing jforum and esoTalk, you can also consider the following products
Forumbee - Forumbee offers community forums for discussions, feedback and Q&A.
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.
Vanilla Forums - Build an engaging community forum using Vanilla's modern cloud forum software.
Directly - Directly provides on-demand customer service apps.
phpBB - Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.
MVCForum - A fully featured opensource ASP.NET MVC forum software